15801380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1913}}^1$

素因数の和:1988

約数の個数: 48

約数和(自身を含む): 38586240

約数和(自身を除く): 22784860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 1913, 2065, 3826, 4130, 7652, 8260, 9565, 13391, 19130, 26782, 38260, 53564, 66955, 112867, 133910, 225734, 267820, 451468, 564335, 790069, 1128670, 1580138, 2257340, 3160276, 3950345, 7900690, 15801380]

約数ペア:

[(1, 15801380), (2, 7900690), (4, 3950345), (5, 3160276), (7, 2257340), (10, 1580138), (14, 1128670), (20, 790069), (28, 564335), (35, 451468), (59, 267820), (70, 225734), (118, 133910), (140, 112867), (236, 66955), (295, 53564), (413, 38260), (590, 26782), (826, 19130), (1180, 13391), (1652, 9565), (1913, 8260), (2065, 7652), (3826, 4130)]